题目: 子宫杂音(UterineSouffle) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0626/b37a3b444393b7b5d7005063a89c10bd.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 By the time he was eighteen, he _________ three foreign languages.[ ]A. learn B. learned C. has learned D. had learned 查看答案